Expansion Tank Ball Valve | 8080 Series | NPT | DZR Lead-Free Brass
The 8080FT Series Expansion Tank Valve is engineered for performance and reliability in high-pressure closed-loop systems, including hydronic, boiler, and industrial cooling applications. With a 600 PSI WOG rating and a full-port ball design, this valve enables easy isolation of expansion tanks without system shutdown, simplifying maintenance and improving safety.
Manufactured from DZR lead-free brass and compliant with NSF/ANSI 61 & 372 and AB1953 standards, the 8080FT offers long-lasting corrosion resistance—even in harsh environments. Its integrated high-flow hose drain with a tethered cap ensures fast, controlled draining, while the adjustable packing gland provides dependable sealing under thermal cycling and pressure surges.
This valve is built for dependable use in systems with antifreeze or anti-boil additives, performing across a wide temperature range from 15°F to 260°F. The chrome-plated brass ball, virgin PTFE seats, and blow-out-proof stem deliver superior sealing, cycle life, and safety.
🔧 Key Features
- 600 PSI WOG Rating – Ideal for high-pressure hydronic and industrial fluid systems
- Full Port Ball Design – Ensures maximum flow capacity and low pressure drop
- DZR Lead-Free Brass Construction – NSF-certified for potable water and corrosion resistance
- High-Flow Hose Drain with Cap & Chain – Simplifies expansion tank isolation and draining
- FNPT System Connection – Secure, threaded integration for fast, leak-free installation
- Adjustable Packing Gland – Allows serviceability and leak-free performance over time
- Chrome-Plated Ball & PTFE Seats – Withstands scale, chemicals, and thermal cycling
- Blow-Out Proof Stem – Enhances safety in pressure spikes and valve servicing
🌡 Working Conditions
- Operating Temperature: 15°F to 260°F (-9°C to 127°C)
- Below 32°F: Use antifreeze additives
- Above 212°F: Use anti-boil additives
- Fluid Types: Water, Glycol, Thermal Fluids
Dimensions
Size | φA (in) | B (in) | C (in) | φD (in) | E (in) | F (in) | H (in) | L (in) | M (in) | N (in) | O (in) | P (in) | Weight (lb) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
½″ | ½ - 14 NPT | 0.63 | ¾ - 11.5 NH | 0.50 | 3.49 | 1.04 | 1.58 | 3.94 | 2.05 | 1.89 | 0.79 | 0.85 | 0.92 |
Material
Part | Material | Specification |
---|---|---|
1 – Body | DZR Lead Free Brass | ASTM B927 C27453 |
2 – Seat Retainer | Lead Free Brass | ASTM B927 C27450 |
3 – Ball | LF Brass / Cr Plated | ASTM B927 C27450 |
4 – Seat | PTFE | - |
5 – Fixed End | DZR Lead Free Brass | ASTM B927 C27453 |
6 – Stem | DZR Lead Free Brass | ASTM B927 C27453 |
7 – Packing Ring | PTFE | - |
8 – Packing Nut | Brass | ASTM B124 C37700 |
9 – Handle | Aluminum | ASTM B85 |
10 – Screw | Steel / Zn Plated | ASTM A36 |
11 – Fixed End | DZR Lead Free Brass | ASTM B927 C27453 |
12 – Drain Cap Gasket | EPDM Perox | NSF Approved |
13 – Drain Cap | Brass | ASTM B283 C37700 |
14 – Tie | Rubber | - |